Premier League leaders Arsenal were knocked retired of the Carabao Cup arsenic Brighton gained a daze distant victory.
Eddie Nketiah had fixed Arsenal the pb with a curling decorativeness aft Reiss Nelson's tally from the halfway line.
Danny Welbeck, who played for the Gunners successful the 2018 final, made it 1-1 with a punishment aft helium had been fouled by debutant location goalkeeper Karl Hein.
Kaoru Mitoma enactment Brighton up aft a neat passing determination and Tariq Lamptey added a 3rd with a debased strike.
The nonaccomplishment successful this third-round necktie was lone the 3rd clip successful 20 matches successful each competitions that Arsenal had been beaten this season.
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Mikel Arteta made 10 changes from the 1-0 triumph astatine Chelsea and the Gunners looked connected people for the past 16 erstwhile they took the pb done Nketiah's fantabulous 20th-minute strike.
However, their pb lone lasted 7 minutes.
Hein, a 20-year-old Estonia planetary goalkeeper who had a indebtedness spell astatine Reading past season, was making his archetypal elder quality for the Gunners but brought down Welbeck, who past converted the spot kick.
Arsenal astir retook the pb erstwhile Nketiah fired a changeable against the station from extracurricular the punishment country with Albert Sambi Lokonga besides shooting conscionable wide.
Those misses proved costly arsenic Mitoma got his 2nd extremity for Brighton successful 5 days aft besides scoring successful the 3-2 triumph astatine Wolves connected Saturday, earlier Lamptey added a third.
On making 10 changes, Arsenal manager Arteta felt it had been the close happening to do.
"I would prime the aforesaid players if I had the accidental again," helium said. "There was a large quality betwixt ratio successful some areas and we paid a large terms for it.
"It's a shame for the boys due to the fact that they truly tried and we should person scored 2 oregon 3 successful the 2nd half."
When asked if the effect suggests Arsenal request to adhd to their squad successful the January transportation window, Arteta said: "That's the squad that we have. We person to utilise successful the champion imaginable mode and contiguous we came short.
"It's the aforesaid squad arsenic erstwhile we win. I said from time 1 that we person a abbreviated squad due to the fact that astatine the extremity we near immoderate players. It's what we have."
Brighton's champion show successful the EFL Cup came successful 1978-79 erstwhile they reached the quarter-finals, but this is present the 3rd successive play wherever they person reached the past 16.
The gully for the adjacent circular volition instrumentality spot connected Thursday night, pursuing the lucifer betwixt Manchester United and Aston Villa astatine Old Trafford.
Line-ups
Arsenal
Formation 4-2-3-1
- 31HeinBooked astatine 26mins
- 17Cédric Soares
- 12SalibaSubstituted forGabrielat 63'minutes
- 16Holding
- 3TierneySubstituted forZinchenkoat 72'minutes
- 25ElnenyBooked astatine 25mins
- 23Sambi LokongaSubstituted forXhakaat 80'minutes
- 27MarquinhosSubstituted forMartinelliat 62'minutes
- 21Fábio VieiraSubstituted forGabriel Jesusat 72'minutes
- 24Nelson
- 14Nketiah
Substitutes
- 4White
- 5Partey
- 6Gabriel
- 8Ødegaard
- 9Gabriel Jesus
- 11Martinelli
- 30Turner
- 34Xhaka
- 35Zinchenko
Brighton
Formation 4-4-2
- 23Steele
- 34Veltman
- 5DunkSubstituted forWebsterat 60'minutes
- 6Colwill
- 2Lamptey
- 7MarchSubstituted forMitomaat 45'minutes
- 27Gilmour
- 25CaicedoBooked astatine 8minsSubstituted forGroßat 45'minutes
- 19SarmientoBooked astatine 43minsSubstituted forUndavat 79'minutes
- 20EncisoSubstituted forEstupiñánat 76'minutes
- 18Welbeck
Substitutes
- 1Sánchez
- 4Webster
- 13Groß
- 21Undav
- 22Mitoma
- 28Ferguson
- 30Estupiñán
- 43Turns
- 49Moran
Live Text
Match ends, Arsenal 1, Brighton and Hove Albion 3.
Second Half ends, Arsenal 1, Brighton and Hove Albion 3.
Foul by Gabriel Jesus (Arsenal).
Pascal Groß (Brighton and Hove Albion) wins a escaped footwear successful the antiaircraft half.
Attempt missed. Rob Holding (Arsenal) header from the centre of the container is excessively high. Assisted by Cédric Soares with a transverse pursuing a corner.
Corner, Arsenal. Conceded by Kaoru Mitoma.
Corner, Arsenal. Conceded by Pascal Groß.
Foul by Rob Holding (Arsenal).
Pervis Estupiñán (Brighton and Hove Albion) wins a escaped footwear successful the antiaircraft half.
Attempt missed. Reiss Nelson (Arsenal) close footed changeable from the close broadside of the container is excessively high. Assisted by Oleksandr Zinchenko.
Attempt saved. Gabriel Magalhães (Arsenal) header from the centre of the container is saved successful the bottommost near corner. Assisted by Cédric Soares with a cross.
Reiss Nelson (Arsenal) wins a escaped footwear connected the close wing.
Foul by Pervis Estupiñán (Brighton and Hove Albion).
Foul by Granit Xhaka (Arsenal).
Kaoru Mitoma (Brighton and Hove Albion) wins a escaped footwear successful the antiaircraft half.
Corner, Arsenal. Conceded by Pervis Estupiñán.
Attempt saved. Gabriel Martinelli (Arsenal) close footed changeable from the near broadside of the container is saved successful the centre of the goal. Assisted by Gabriel Jesus.
Foul by Oleksandr Zinchenko (Arsenal).
Tariq Lamptey (Brighton and Hove Albion) wins a escaped footwear successful the antiaircraft half.
Foul by Mohamed Elneny (Arsenal).